1 error: enum with no variants
2 --> $DIR/empty_enum.rs:4:1
7 = note: `-D clippy::empty-enum` implied by `-D warnings`
8 help: consider using the uninhabited type `!` (never type) or a wrapper around it to introduce a type which can't be instantiated
9 --> $DIR/empty_enum.rs:4:1
14 error: aborting due to previous error